TwinCAT 'TCATSysSrv.exe' Network Packet Denial of Service Vulnerability

BID:49599

Info

TwinCAT 'TCATSysSrv.exe' Network Packet Denial of Service Vulnerability

Bugtraq ID: 49599
Class: Boundary Condition Error
CVE: CVE-2011-3486
Remote: Yes
Local: No
Published: Sep 13 2011 12:00AM
Updated: Oct 11 2011 05:00PM
Credit: Luigi Auriemma
Vulnerable: Beckhoff Automation TwinCAT 2.11 R2 Build 2032
Not Vulnerable:

Discussion

TwinCAT 'TCATSysSrv.exe' Network Packet Denial of Service Vulnerability

TwinCAT is prone to a denial-of-service vulnerability.

Attackers can exploit this issue to crash the application, denying service to legitimate users.

TwinCAT 2.11 R2 Build 2032 is vulnerable. Other versions may also be affected.

Exploit / POC

TwinCAT 'TCATSysSrv.exe' Network Packet Denial of Service Vulnerability

Exploit code is available. Please see the references for information.

Solution / Fix

TwinCAT 'TCATSysSrv.exe' Network Packet Denial of Service Vulnerability

Solution:
The vendor released an update. Please contact the vendor for more information on how to obtain and apply this update.

References

TwinCAT 'TCATSysSrv.exe' Network Packet Denial of Service Vulnerability

References:

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